As unifacial stone tools get thicker and rounder (size-adjusted thickness, Tsa, increases) the % of unifaces with a spur does not significantly increase (ρ = 0.470, p = 0.171).
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This result does not support the notion that spurs were created incidentally or accidentally via resharpening. In this instance, the size groups were of equal sample size.
创建时间：
2013-11-13
